What is the ionizer for? Also to confirm there is no GST? Also free shipping?

What is the ionizer for? Also to confirm there is no GST? Also free shipping?

Shelley Hurley

An ionizer helps clean odors from the air inside the sauna. There is no additional tax on Canadian sauna shipments. Free shipping applies to most of Canada. Please check the Postal Code tool on the Shipping Page: https://www.saunasandstuff.ca/saunas-free-shipping